1957 PACKARD

Model Designations:

Packard Clipper, Series 57L, 8 Cylinder

Packard Clipper, Series 57L, 8 Cylinder, Body Styles:

4 Door Sedan, 6 Passenger, Body #57L-Y8

Base Price: $3,212; Shipping Weight: 3,570 Pounds

Total Production: 3,940

4 Door Country Sedan Station Wagon, 6 Passenger, Body #57L-P8

Base Price: $3,384; Shipping Weight: 3,650 Pounds

Total Production: 869

1957 PACKARD

Chassis:

Wheelbase:

Sedan: 120.5"

Wagon: 116.5"

Tire Sizes:

7.60 X 15"

Rear Axle Ratios:

Standard: 3.31:1

Optional: 3.07:1 & 3.54:1

General Engine Specifications, 8 Cylinder:

Engine Type: V-Type 8 Cylinder, Overhead Valve

Bore & Stroke: 3-9/16" X 3-5/8"

Engine Displacement: 289 Cu. In.

Compresssion Ratio: 7.50 to 1

Taxable Horsepower: 40.61

Horsepower: 275 @ 4,800 RPM

Torque: 333 Ft. Lbs @ 3,200 RPM

Normal Oil Pressure: 40 PSI

Tune Up Specifications:

Ground Polarity: Negative

Voltage: 12 Volts

Spark Plug Type: Champion H10, or Equivalent

Spark Plug: Gap .035"

Point Gap: .016"

Cam Angle:

Auto-Lite Distributor: 31 Degrees

Delco-Remy Distributor: 26-33 Degrees

Firing Order: 1-8-4-3-6-5-7-2

Ignition Timing: 4 Degrees BTDC on Viabration Damper

Engine Idle Speed: 550 RPM

Cylinder Head Torque: 55-65 Ft Lbs

Compression Pressure @ Cranking Speed: 130 PSI (Minimum)

Valve Specifications:

Operating Clearance, Running Hot:

Intake: .024"

Exhaust: .024"

Valve Seat Angle: 45 degrees

Valve Timing: Intake Opens 11 Degrees Before Top Dead Center

Exhaust Closes 14 Degrees After Top Dead Center

Valve Spring Pressure: 110 Lbs @ 1-43/64 inches

Valve Lash, Zero Lift:

Intake: .3594"

Exhaust: .3594"

Valve Stem Clearance:

Intake .0015"-.0035"

Exhaust .0015"-.0035"

Valve Stem Diameter:

Intake: .3437"

Exhaust: .3437"

Pistons, Rings, Wrist Pin, Crankshaft & Bearing Data:

Piston Removal: From Above

Fitting Pistons with Spring Scale:

Shim Thickness: .002

Pounds Pull on Scale: 8 to 13

Ring End Gap (Minimum):

Compression Ring: .008"

Oil Ring: .008"

Wrist Pin Diameter: .8143"

Rod Bearings:

Shaft Diameter: 1.999"-2.000"

Rod Bearing Clearance: .0005"-.002"

Rod End Play: .008"-.013"

Rod Bolt Torque: 40-45 Ft. Lbs.

Main Bearings:

Shaft Diameter: 2.499"-2.500"

Main Bearing Clearance: .0005"-.003"

Crankshaft End Play: .003"-.006"

Thrust on Rear Bearing

Main Bolt Torque: 85-95 Ft. Lbs.

Capacities:

Cooling System:

Without Heater: 17 Quarts

With Heater: 18-1/2 Quarts

Radiator Cap Pressure: 13 PSI

Fuel Tank: 18 Gallons;

Engine Oil Refill: 5 Quarts*

Manual Transmission:

With Overdrive: 3.7 Pints

Automatic Transmission: 9-1/2 Quarts

Rear Axle: 3 Pints

* Add 1 Quart for Oil Filter

Delco-Remy Distributor Specifications:

Distributor #1110864

Rotation: Counter-Clockwise

Cam Angle: 26-33 Degrees

Breaker Point Opening: .016"

Condenser Capacity: .20-.25 Mfds

Breaker Arm Spring Tension: 17-21 Ounces

Centrifugal Advance Data:

Advance Starts: 1 Degree @ 350 RPM

Full Advance: 12 Degrees @ 1,125 RPM

Vacuum Advance Data:

Vacuum to Start Plunger Movement: 4" to 6"

Vacuum for Full Plunger Travel: 10" to 11-1/2"

Maximum Vacuum Advance: 8 Degrees

Delco-Remy Generator Specifications:

Generator #1102003

Direction of Rotation: Clockwise

Ground Polarity: Negative

Generator Output: 30 Amperes @ 2,310 RPM

Brush Spring Tension: 28 Ounces

Field Current @ 12 Volts: 1.48 - 1.62 Amperes

Regulator #1119123

Cutout Relay:

Voltage to Close Points: 12.6 Volts

Armature Air Gap: .020"

Voltage Regulator Setting: 14.3 Volts

Current Regulator Setting: 30 Amperes

Current & Voltage Armature Air Gap: .075"

Delco-Remy Starting Motor Specifications:

Part #1107656

Rotation: Clockwise

Brush Spring Tension: 35 Ounces (Minimum)

No Load Test: 75 Amperes, 10.3 Volts @ 6,900 RPM

Torque Test: 435 Amperes, 5.8 Volts @ 10.5 Ft. Lbs. Torque

Rear Axle & Brake Cylinder Specifications:

All Clippers:

Ring Gear & Pinion Backlash: .003"-.006"

Drive Pinion Adjustment: Shims

Drive Pinion Bearing Adjustment: Shims

Axle Shaft End Play: .001"-.006"

Wheel Cylinder Bore:

Front: 1-1/16"

Rear: 7/8"

Master Cylinder Bore: 1'

All Packard Line:

Ring Gear & Pinion Backlash: .003"-.006"

Drive Pinion Adjustment: None

Drive Pinion Bearing Adjustment: Spacer

Axle Shaft End Play: Not Adjustable

Wheel Cylinder Bore:

Front: 1-1/8"

Rear: 1"

Master Cylinder Bore: 1'

Wheel Alignment:

Caster, Desired: - 1-3/4 Degrees

Camber, Desired: + 1/2 Degree

Toe In: 1/16 to 1/8"

Toe-Out on Turns:

Outer Wheel: 20 Degrees

Inner Wheel: 22-1/2 to 23-1/2 Degrees

Kingpin Angle: 6 Degrees

Stromberg Carburetor Specifications:

Carburetor Model: WW

Part #6-117A, 6-121

Fuel Level: 5/8"

Float Setting: 3/16"

Fast Idle Setting: .105"-.135"

Wide Open Kick Setting: .203"-.265"

Choke Setting: 1 Lean

Popular Options:

Power Steering, Power Brakes, Power Seats, Power Windows, Tinted Glass, Whitewall Tires, Dual Rear Antennas, Front Seat Belts, Padded Sun Visors, Air Contidioning, Rear Seat Speaker, Luggage Carrier for Station Wagon, Limited Slip Differential.

1957 Packard Historical Data

Flight-O-Matic Automatic Transmission was standard equipment.

Model Year Introduction date for the 1957 Packard was January 31, 1957.

Total 1957 Packard Production was 4,809.

Promotional Model Cars Available:

None

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